2018-07-10 19:33:16 -07:00
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extern crate solana;
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use solana::packet::{Packet, PacketRecycler, BLOB_SIZE, PACKET_DATA_SIZE};
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use solana::result::Result;
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use solana::streamer::{receiver, PacketReceiver};
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use std::net::{SocketAddr, UdpSocket};
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2018-07-20 10:09:26 -07:00
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use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
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2018-07-10 19:33:16 -07:00
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use std::sync::mpsc::channel;
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2018-07-20 10:09:26 -07:00
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use std::sync::Arc;
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2018-07-10 19:33:16 -07:00
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use std::thread::sleep;
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use std::thread::{spawn, JoinHandle};
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use std::time::Duration;
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use std::time::SystemTime;
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2018-07-20 10:09:26 -07:00
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fn producer(addr: &SocketAddr, recycler: &PacketRecycler, exit: Arc<AtomicBool>) -> JoinHandle<()> {
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2018-07-10 19:33:16 -07:00
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let send = UdpSocket::bind("0.0.0.0:0").unwrap();
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let msgs = recycler.allocate();
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let msgs_ = msgs.clone();
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msgs.write().unwrap().packets.resize(10, Packet::default());
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2018-07-20 10:09:26 -07:00
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for w in &mut msgs.write().unwrap().packets {
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2018-07-10 19:33:16 -07:00
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w.meta.size = PACKET_DATA_SIZE;
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w.meta.set_addr(&addr);
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}
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spawn(move || loop {
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if exit.load(Ordering::Relaxed) {
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return;
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}
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let mut num = 0;
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2018-07-20 10:09:26 -07:00
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for p in &msgs_.read().unwrap().packets {
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2018-07-10 19:33:16 -07:00
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let a = p.meta.addr();
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assert!(p.meta.size < BLOB_SIZE);
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send.send_to(&p.data[..p.meta.size], &a).unwrap();
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num += 1;
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}
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assert_eq!(num, 10);
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})
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}
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fn sink(
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recycler: PacketRecycler,
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exit: Arc<AtomicBool>,
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2018-07-20 10:09:26 -07:00
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rvs: Arc<AtomicUsize>,
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2018-07-10 19:33:16 -07:00
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r: PacketReceiver,
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) -> JoinHandle<()> {
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spawn(move || loop {
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if exit.load(Ordering::Relaxed) {
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return;
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}
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let timer = Duration::new(1, 0);
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2018-07-20 10:09:26 -07:00
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if let Ok(msgs) = r.recv_timeout(timer) {
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rvs.fetch_add(msgs.read().unwrap().packets.len(), Ordering::Relaxed);
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recycler.recycle(msgs);
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2018-07-10 19:33:16 -07:00
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}
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})
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}
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2018-07-19 13:05:36 -07:00
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fn main() -> Result<()> {
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2018-07-10 19:33:16 -07:00
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let read = UdpSocket::bind("127.0.0.1:0")?;
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read.set_read_timeout(Some(Duration::new(1, 0)))?;
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let addr = read.local_addr()?;
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let exit = Arc::new(AtomicBool::new(false));
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let pack_recycler = PacketRecycler::default();
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let (s_reader, r_reader) = channel();
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let t_reader = receiver(read, exit.clone(), pack_recycler.clone(), s_reader);
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2018-07-20 10:09:26 -07:00
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let t_producer1 = producer(&addr, &pack_recycler, exit.clone());
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let t_producer2 = producer(&addr, &pack_recycler, exit.clone());
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let t_producer3 = producer(&addr, &pack_recycler, exit.clone());
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2018-07-10 19:33:16 -07:00
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2018-07-20 10:09:26 -07:00
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let rvs = Arc::new(AtomicUsize::new(0));
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2018-07-10 19:33:16 -07:00
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let t_sink = sink(pack_recycler.clone(), exit.clone(), rvs.clone(), r_reader);
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let start = SystemTime::now();
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2018-07-20 10:09:26 -07:00
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let start_val = rvs.load(Ordering::Relaxed);
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2018-07-10 19:33:16 -07:00
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sleep(Duration::new(5, 0));
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let elapsed = start.elapsed().unwrap();
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2018-07-20 10:09:26 -07:00
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let end_val = rvs.load(Ordering::Relaxed);
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let time = elapsed.as_secs() * 10_000_000_000 + u64::from(elapsed.subsec_nanos());
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let ftime = (time as f64) / 10_000_000_000_f64;
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2018-07-10 19:33:16 -07:00
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let fcount = (end_val - start_val) as f64;
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2018-07-19 13:05:36 -07:00
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println!("performance: {:?}", fcount / ftime);
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2018-07-10 19:33:16 -07:00
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exit.store(true, Ordering::Relaxed);
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t_reader.join()?;
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t_producer1.join()?;
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t_producer2.join()?;
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t_producer3.join()?;
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t_sink.join()?;
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Ok(())
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}
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